class A:
    XUSUSIYAT1 = 'Property 01'
    XUSUSIYAT2 = 'Property 02'

    name = input('Ismni kiriting: ')

    def Salom_Dunyo(self, name=''):
        if name:
            return 'Salom, ' + name
        else:
            return 'Salom, ' + self.name

    def Salom_Dunyo1(self, name=''):
        if name:
            return 'nomart, ' + name

a = A()
b = A()
# a.property1 = 'Property 1'
# a.property2 = 'Property 2'
# print(a)
print(a.XUSUSIYAT1)
print(a.Salom_Dunyo('Xushnud '))
print(a.Salom_Dunyo1('Qarizni qachon berasan nomart '))
